1) ...................... Open source operating system and easy to use and develop able. a) Windows b) Android c) Mac d) Laptop 2) Choose one or more of the Operating System functions. a) Processor management b) Program c) Security d) OS 3) .......... is called "Terminal" in some operating systems where the user executes commands to the operating system a) GUI b) Network c) os d) Command Prompt 4) ........... is a set of programs responsible for managing the hardware of the computer. a) OS b) Security c) Input device d) Hardware 5) Operating systems classified into input units or output units. ( ) a) True b) False 6) Android not only used in Mobile phones but also in tablets. ( ) a) True b) False 7) Storage unit is used to store data that can retrieved. ( ) a) True b) False 8) ............ is closed source operating system. a) Apple b) Mac c) Android d) Linux 9) Input units can be .............. a) Keyboard b) Printer c) Mouse d) Speakers 10) Apple is an Operating system specified for apple devices. ( ) a) True b) False

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